VXi 320222-01 User Manual

Page of 209
Register Descriptions
Chapter 4
VXI-MXI User Manual
4-30
© National Instruments Corporation
Subclass Register
VXIbus Address:
Base Address + 1E (hex)
Attributes:
Read only
R
15
14
13
12
11
10
9
1
1
1
1
1
1
1
0
8
SUBCLASS
7
6
5
4
3
2
1
0
1
1
1
1
1
1
1
0
These bits define the subclass of a VXIbus extended device.  The VXI-MXI is a VXIbus
Mainframe Extender.  Such devices are assigned the subclass code hex FFFC.  Hard and soft
resets have no effect on this register.
Bit
Mnemonic
Description
15-0r SUBCLASS
Manufacturer 
Subclass
These bits indicate the subclass code for the VXI-MXI.  These bits
are configured in hardware as hex FFFC.